<!DOCTYPE html>
<script>
onload = function() {
  window.scrollTo(0, 400);
};
</script>
Tests paint invalidation of fixed element under a composited absolute element on resize after scrolled.
Passes if there is a 100x200 green rectangle with blue border and no red.
<div style="position: absolute; top: 2000px; width: 1px; height: 1px"></div>
<div style="position: absolute; top: 400px; left: 0; width: 100px; height: 200px; border: 10px solid blue; background: green"></div>
